Kingdom hearts final destiny

In a magical land there was a teenager named takuia.And he whent to the park.and his friend soroxes said there was a the if that went that way.Takuia ran as fast as he can to the right and saw a pitch black spirit that looked kind of like a ghost.he said what the heck are you he said but the evil pitch black spirit did not rep lie.So this like so red came into his hand but not just any so red a kingdom key,